Home / 84,292.20-116,323.14-48,481.28

Finding the Fourth Proportional to 84,292.20, 116,323.14 and 48,481.28

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Solution

The fourth proportional to 84,292.20, 116,323.14 and 48,481.28 is: 66,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,292.20 : 116,323.14 = 48,481.28 : x
  2. Step 2: Convert to fraction form
    84,292.20/116,323.14 = 48,481.28/x
  3. Step 3: Cross multiply
    84,292.20x = 116,323.14 × 48,481.28
  4. Step 4: Simplify right side
    84,292.20x = 5,639,494,720.82
  5. Step 5: Solve for x
    x = 5,639,494,720.82/84,292.20
  6. Step 6: Final answer
    x = 66,904.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.